Tube



FIG. 1 is a perspective view of a tube of the new design;

FIG. 2 is a front elevational view of the tube of FIG. 1;

FIG. 3 is a rear elevational view of the tube of FIG. 1;

FIG. 4 is a top plan view of the tube of FIG. 1;

FIG. 5 is a left side elevational view of the tube of FIG. 1;

FIG. 6 is a right side elevational view of the tube of FIG. 1; and,

FIG. 7 is a bottom plan view of the tube of FIG. 1.

The portions of the Figure shown in broken lines are not part of theclaimed design and are for illustration only.

The ornamental design for a tube, as shown and described.